--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/nio/Buffer/BasicChar.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,1000 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* Type-specific source code for unit test
+ *
+ * Regenerate the BasicX classes via genBasic.sh whenever this file changes.
+ * We check in the generated source files so that the test tree can be used
+ * independently of the rest of the source tree.
+ */
+
+// -- This file was mechanically generated: Do not edit! -- //
+
+import java.nio.*;
+
+
+public class BasicChar
+ extends Basic
+{
+
+ private static final char[] VALUES = {
+ Character.MIN_VALUE,
+ (char) -1,
+ (char) 0,
+ (char) 1,
+ Character.MAX_VALUE,
+
+
+
+
+
+
+
+
+
+
+
+
+ };
+
+ private static void relGet(CharBuffer b) {
+ int n = b.capacity();
+ for (int i = 0; i < n; i++)
+ ck(b, (long)b.get(), (long)((char)ic(i)));
+ b.rewind();
+ }
+
+ private static void relGet(CharBuffer b, int start) {
+ int n = b.remaining();
+ for (int i = start; i < n; i++)
+ ck(b, (long)b.get(), (long)((char)ic(i)));
+ b.rewind();
+ }
+
+ private static void absGet(CharBuffer b) {
+ int n = b.capacity();
+ for (int i = 0; i < n; i++)
+ ck(b, (long)b.get(), (long)((char)ic(i)));
+ b.rewind();
+ }
+
+ private static void bulkGet(CharBuffer b) {
+ int n = b.capacity();
+ char[] a = new char[n + 7];
+ b.get(a, 7, n);
+ for (int i = 0; i < n; i++) {
+ ck(b, (long)a[i + 7], (long)((char)ic(i)));
+ }
+ }
+
+ private static void relPut(CharBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ for (int i = 0; i < n; i++)
+ b.put((char)ic(i));
+ b.flip();
+ }
+
+ private static void absPut(CharBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ for (int i = 0; i < n; i++)
+ b.put(i, (char)ic(i));
+ b.limit(n);
+ b.position(0);
+ }
+
+ private static void bulkPutArray(CharBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ char[] a = new char[n + 7];
+ for (int i = 0; i < n; i++)
+ a[i + 7] = (char)ic(i);
+ b.put(a, 7, n);
+ b.flip();
+ }
+
+ private static void bulkPutBuffer(CharBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ CharBuffer c = CharBuffer.allocate(n + 7);
+ c.position(7);
+ for (int i = 0; i < n; i++)
+ c.put((char)ic(i));
+ c.flip();
+ c.position(7);
+ b.put(c);
+ b.flip();
+ try {
+ b.put(b);
+ fail("IllegalArgumentException expected for put into same buffer");
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected from"
+ + " put into same buffer");
+ }
+ }
+ }
+
+ //6231529
+ private static void callReset(CharBuffer b) {
+ b.position(0);
+ b.mark();
+
+ b.duplicate().reset();
+ b.asReadOnlyBuffer().reset();
+ }
+
+
+
+ // 6221101-6234263
+
+ private static void putBuffer() {
+ final int cap = 10;
+
+ CharBuffer direct1 = ByteBuffer.allocateDirect(cap).asCharBuffer();
+ CharBuffer nondirect1 = ByteBuffer.allocate(cap).asCharBuffer();
+ direct1.put(nondirect1);
+
+ CharBuffer direct2 = ByteBuffer.allocateDirect(cap).asCharBuffer();
+ CharBuffer nondirect2 = ByteBuffer.allocate(cap).asCharBuffer();
+ nondirect2.put(direct2);
+
+ CharBuffer direct3 = ByteBuffer.allocateDirect(cap).asCharBuffer();
+ CharBuffer direct4 = ByteBuffer.allocateDirect(cap).asCharBuffer();
+ direct3.put(direct4);
+
+ CharBuffer nondirect3 = ByteBuffer.allocate(cap).asCharBuffer();
+ CharBuffer nondirect4 = ByteBuffer.allocate(cap).asCharBuffer();
+ nondirect3.put(nondirect4);
+ }
+
+
+
+
+ private static void bulkPutString(CharBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ StringBuilder sb = new StringBuilder(n + 7);
+ sb.append("1234567");
+ for (int i = 0; i < n; i++)
+ sb.append((char)ic(i));
+ b.put(sb.toString(), 7, 7 + n);
+ b.flip();
+ }
+
+
+
+ private static void checkSlice(CharBuffer b, CharBuffer slice) {
+ ck(slice, 0, slice.position());
+ ck(slice, b.remaining(), slice.limit());
+ ck(slice, b.remaining(), slice.capacity());
+ if (b.isDirect() != slice.isDirect())
+ fail("Lost direction", slice);
+ if (b.isReadOnly() != slice.isReadOnly())
+ fail("Lost read-only", slice);
+ }
+
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+ private static void fail(String problem,
+ CharBuffer xb, CharBuffer yb,
+ char x, char y) {
+ fail(problem + String.format(": x=%s y=%s", x, y), xb, yb);
+ }
+
+ private static void catchIllegalArgument(Buffer b, Runnable thunk) {
+ tryCatch(b, IllegalArgumentException.class, thunk);
+ }
+
+ private static void catchReadOnlyBuffer(Buffer b, Runnable thunk) {
+ tryCatch(b, ReadOnlyBufferException.class, thunk);
+ }
+
+ private static void catchIndexOutOfBounds(Buffer b, Runnable thunk) {
+ tryCatch(b, IndexOutOfBoundsException.class, thunk);
+ }
+
+ private static void catchIndexOutOfBounds(char[] t, Runnable thunk) {
+ tryCatch(t, IndexOutOfBoundsException.class, thunk);
+ }
+
+ private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
+ boolean caught = false;
+ try {
+ thunk.run();
+ } catch (Throwable x) {
+ if (ex.isAssignableFrom(x.getClass())) {
+ caught = true;
+ } else {
+ fail(x.getMessage() + " not expected");
+ }
+ }
+ if (!caught) {
+ fail(ex.getName() + " not thrown", b);
+ }
+ }
+
+ private static void tryCatch(char[] t, Class<?> ex, Runnable thunk) {
+ tryCatch(CharBuffer.wrap(t), ex, thunk);
+ }
+
+ public static void test(int level, final CharBuffer b, boolean direct) {
+
+ show(level, b);
+
+ if (direct != b.isDirect())
+ fail("Wrong direction", b);
+
+ // Gets and puts
+
+ relPut(b);
+ relGet(b);
+ absGet(b);
+ bulkGet(b);
+
+ absPut(b);
+ relGet(b);
+ absGet(b);
+ bulkGet(b);
+
+ bulkPutArray(b);
+ relGet(b);
+
+ bulkPutBuffer(b);
+ relGet(b);
+
+
+
+ bulkPutString(b);
+ relGet(b);
+ b.position(1);
+ b.limit(7);
+ ck(b, b.toString().equals("bcdefg"));
+
+ // CharSequence ops
+
+ b.position(2);
+ ck(b, b.charAt(1), 'd');
+ CharBuffer c = b.subSequence(1, 4);
+ ck(c, c.capacity(), b.capacity());
+ ck(c, c.position(), b.position()+1);
+ ck(c, c.limit(), b.position()+4);
+ ck(c, b.subSequence(1, 4).toString().equals("def"));
+
+ // 4938424
+ b.position(4);
+ ck(b, b.charAt(1), 'f');
+ ck(b, b.subSequence(1, 3).toString().equals("fg"));
+
+ // String ops
+
+ // 7190219
+ b.clear();
+ int pos = b.position();
+ tryCatch(b, BufferOverflowException.class, () ->
+ b.put(String.valueOf(new char[b.capacity() + 1]), 0, b.capacity() + 1)
+ );
+ ck(b, b.position(), pos);
+ relGet(b);
+
+
+
+ // Compact
+
+ relPut(b);
+ b.position(13);
+ b.compact();
+ b.flip();
+ relGet(b, 13);
+
+ // Exceptions
+
+ relPut(b);
+ b.limit(b.capacity() / 2);
+ b.position(b.limit());
+
+ tryCatch(b, BufferUnderflowException.class, () -> b.get());
+ tryCatch(b, BufferOverflowException.class, () -> b.put((char)42));
+ // The index must be non-negative and less than the buffer's limit.
+ catchIndexOutOfBounds(b, () -> b.get(b.limit()));
+ catchIndexOutOfBounds(b, () -> b.get(-1));
+ catchIndexOutOfBounds(b, () -> b.put(b.limit(), (char)42));
+ tryCatch(b, InvalidMarkException.class,
+ () -> b.position(0).mark().compact().reset());
+
+ try {
+ b.position(b.limit() + 1);
+ fail("IllegalArgumentException expected for position beyond limit");
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected for"
+ + " position beyond limit");
+ }
+ }
+
+ try {
+ b.position(-1);
+ fail("IllegalArgumentException expected for negative position");
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected for"
+ + " negative position");
+ }
+ }
+
+ try {
+ b.limit(b.capacity() + 1);
+ fail("IllegalArgumentException expected for limit beyond capacity");
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected for"
+ + " limit beyond capacity");
+ }
+ }
+
+ try {
+ b.limit(-1);
+ fail("IllegalArgumentException expected for negative limit");
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected for"
+ + " negative limit");
+ }
+ }
+
+ // Values
+
+ b.clear();
+ b.put((char)0);
+ b.put((char)-1);
+ b.put((char)1);
+ b.put(Character.MAX_VALUE);
+ b.put(Character.MIN_VALUE);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ b.flip();
+ ck(b, b.get(), 0);
+ ck(b, b.get(), (char)-1);
+ ck(b, b.get(), 1);
+ ck(b, b.get(), Character.MAX_VALUE);
+ ck(b, b.get(), Character.MIN_VALUE);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ // Comparison
+ b.rewind();
+ CharBuffer b2 = CharBuffer.allocate(b.capacity());
+ b2.put(b);
+ b2.flip();
+ b.position(2);
+ b2.position(2);
+ if (!b.equals(b2)) {
+ for (int i = 2; i < b.limit(); i++) {
+ char x = b.get(i);
+ char y = b2.get(i);
+ if (x != y
+
+
+
+
+
+
+ ) {
+ out.println("[" + i + "] " + x + " != " + y);
+ }
+ }
+ fail("Identical buffers not equal", b, b2);
+ }
+ if (b.compareTo(b2) != 0) {
+ fail("Comparison to identical buffer != 0", b, b2);
+ }
+ b.limit(b.limit() + 1);
+ b.position(b.limit() - 1);
+ b.put((char)99);
+ b.rewind();
+ b2.rewind();
+ if (b.equals(b2))
+ fail("Non-identical buffers equal", b, b2);
+ if (b.compareTo(b2) <= 0)
+ fail("Comparison to shorter buffer <= 0", b, b2);
+ b.limit(b.limit() - 1);
+
+ b.put(2, (char)42);
+ if (b.equals(b2))
+ fail("Non-identical buffers equal", b, b2);
+ if (b.compareTo(b2) <= 0)
+ fail("Comparison to lesser buffer <= 0", b, b2);
+
+ // Check equals and compareTo with interesting values
+ for (char x : VALUES) {
+ CharBuffer xb = CharBuffer.wrap(new char[] { x });
+ if (xb.compareTo(xb) != 0) {
+ fail("compareTo not reflexive", xb, xb, x, x);
+ }
+ if (!xb.equals(xb)) {
+ fail("equals not reflexive", xb, xb, x, x);
+ }
+ for (char y : VALUES) {
+ CharBuffer yb = CharBuffer.wrap(new char[] { y });
+ if (xb.compareTo(yb) != - yb.compareTo(xb)) {
+ fail("compareTo not anti-symmetric",
+ xb, yb, x, y);
+ }
+ if ((xb.compareTo(yb) == 0) != xb.equals(yb)) {
+ fail("compareTo inconsistent with equals",
+ xb, yb, x, y);
+ }
+ if (xb.compareTo(yb) != Character.compare(x, y)) {
+
+
+
+
+
+
+ fail("Incorrect results for CharBuffer.compareTo",
+ xb, yb, x, y);
+ }
+ if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) {
+ fail("Incorrect results for CharBuffer.equals",
+ xb, yb, x, y);
+ }
+ }
+ }
+
+ // Sub, dup
+
+ relPut(b);
+ relGet(b.duplicate());
+ b.position(13);
+ relGet(b.duplicate(), 13);
+ relGet(b.duplicate().slice(), 13);
+ relGet(b.slice(), 13);
+ relGet(b.slice().duplicate(), 13);
+
+ // Slice
+
+ b.position(5);
+ CharBuffer sb = b.slice();
+ checkSlice(b, sb);
+ b.position(0);
+ CharBuffer sb2 = sb.slice();
+ checkSlice(sb, sb2);
+
+ if (!sb.equals(sb2))
+ fail("Sliced slices do not match", sb, sb2);
+ if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) {
+ fail("Array offsets do not match: "
+ + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ // Read-only views
+
+ b.rewind();
+ final CharBuffer rb = b.asReadOnlyBuffer();
+ if (!b.equals(rb))
+ fail("Buffer not equal to read-only view", b, rb);
+ show(level + 1, rb);
+
+ catchReadOnlyBuffer(b, () -> relPut(rb));
+ catchReadOnlyBuffer(b, () -> absPut(rb));
+ catchReadOnlyBuffer(b, () -> bulkPutArray(rb));
+ catchReadOnlyBuffer(b, () -> bulkPutBuffer(rb));
+
+ // put(CharBuffer) should not change source position
+ final CharBuffer src = CharBuffer.allocate(1);
+ catchReadOnlyBuffer(b, () -> rb.put(src));
+ ck(src, src.position(), 0);
+
+ catchReadOnlyBuffer(b, () -> rb.compact());
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ // 7199551
+ catchReadOnlyBuffer(b, () -> rb.put(new String(new char[rb.remaining() + 1])));
+ catchReadOnlyBuffer(b, () -> rb.append(new String(new char[rb.remaining() + 1])));
+
+
+
+ if (rb.getClass().getName().startsWith("java.nio.Heap")) {
+ catchReadOnlyBuffer(b, () -> rb.array());
+ catchReadOnlyBuffer(b, () -> rb.arrayOffset());
+ if (rb.hasArray()) {
+ fail("Read-only heap buffer's backing array is accessible", rb);
+ }
+ }
+
+ // Bulk puts from read-only buffers
+
+ b.clear();
+ rb.rewind();
+ b.put(rb);
+
+
+
+
+
+
+
+
+
+
+
+ relPut(b); // Required by testViews
+
+
+
+
+
+
+ }
+
+
+
+ private static void testStr() {
+ final String s = "abcdefghijklm";
+ int start = 3;
+ int end = 9;
+ final CharBuffer b = CharBuffer.wrap(s, start, end);
+ show(0, b);
+ ck(b, b.toString().equals(s.substring(start, end)));
+ ck(b, b.toString().equals("defghi"));
+ ck(b, b.isReadOnly());
+ catchReadOnlyBuffer(b, () -> b.put('x'));
+ ck(b, start, b.position());
+ ck(b, end, b.limit());
+ ck(b, s.length(), b.capacity());
+ b.position(6);
+ ck(b, b.subSequence(0,3).toString().equals("ghi"));
+
+ // The index, relative to the position, must be non-negative and
+ // smaller than remaining().
+ catchIndexOutOfBounds(b, () -> b.charAt(-1));
+ catchIndexOutOfBounds(b, () -> b.charAt(b.remaining()));
+ // The index must be non-negative and less than the buffer's limit.
+ catchIndexOutOfBounds(b, () -> b.get(b.limit()));
+ catchIndexOutOfBounds(b, () -> b.get(-1));
+ // The start must be non-negative and no larger than remaining().
+ catchIndexOutOfBounds(b, () -> b.subSequence(-1, b.remaining()));
+ catchIndexOutOfBounds(b, () -> b.subSequence(b.remaining() + 1, b.remaining()));
+
+ // The end must be no smaller than start and no larger than
+ // remaining().
+ catchIndexOutOfBounds(b, () -> b.subSequence(2, 1));
+ catchIndexOutOfBounds(b, () -> b.subSequence(0, b.remaining() + 1));
+
+ // The offset must be non-negative and no larger than <array.length>.
+ catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, -1, s.length()));
+ catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, s.length() + 1, s.length()));
+ catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, 1, 0));
+ catchIndexOutOfBounds(b, () -> CharBuffer.wrap(s, 0, s.length() + 1));
+ }
+
+
+
+ public static void test(final char [] ba) {
+ int offset = 47;
+ int length = 900;
+ final CharBuffer b = CharBuffer.wrap(ba, offset, length);
+ show(0, b);
+ ck(b, b.capacity(), ba.length);
+ ck(b, b.position(), offset);
+ ck(b, b.limit(), offset + length);
+
+ // The offset must be non-negative and no larger than <array.length>.
+ catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, -1, ba.length));
+ catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, ba.length + 1, ba.length));
+ catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, 0, -1));
+ catchIndexOutOfBounds(ba, () -> CharBuffer.wrap(ba, 0, ba.length + 1));
+
+ // A NullPointerException will be thrown if the array is null.
+ tryCatch(ba, NullPointerException.class,
+ () -> CharBuffer.wrap((char []) null, 0, 5));
+ tryCatch(ba, NullPointerException.class,
+ () -> CharBuffer.wrap((char []) null));
+ }
+
+ private static void testAllocate() {
+ // An IllegalArgumentException will be thrown for negative capacities.
+ catchIllegalArgument((Buffer) null, () -> CharBuffer.allocate(-1));
+ try {
+ CharBuffer.allocate(-1);
+ } catch (IllegalArgumentException e) {
+ if (e.getMessage() == null) {
+ fail("Non-null IllegalArgumentException message expected for"
+ + " attempt to allocate negative capacity buffer");
+ }
+ }
+
+
+
+
+
+
+
+
+
+
+
+ }
+
+ public static void test() {
+ testAllocate();
+ test(0, CharBuffer.allocate(7 * 1024), false);
+ test(0, CharBuffer.wrap(new char[7 * 1024], 0, 7 * 1024), false);
+ test(new char[1024]);
+
+
+
+
+
+
+
+ testStr();
+
+
+ callReset(CharBuffer.allocate(10));
+
+
+
+ putBuffer();
+
+ }
+
+}